[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{| class="wikitable"

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

[[Legend for Cisco Collaboration Virtualization Support|Click here for a Legend]]

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{{ note | * If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum. }}

See [http://docwiki.cisco.com/w/index.php?title=Unified_Communications_VMWare_Requirements#ESXi_Support_for_Messaging_and_Presence_Applications ESXi Support for Messaging and Presence Applications] for ESXi version support information.<br>

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= VM-Specific Cisco Unified Presence Software Requirements =

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This VM size can be used when migrating from physical servers '''with 80 GB disk capacity or less''' (e.g. MCS-7825-H2).

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See [[Unified Communications VMWare Requirements]].

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If migrating from a physical server with more than 80 GB of disk capacity, see the Disaster Recovery System Administration Guide for guidance.

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The following software requirements apply specifically to Cisco Unified Presence:

In addition, it should be noted that any of the OVA deployed user base sizes (1000/2500/5000) can be used when doing a DRS migration from a physical machine with a disk capacity presented to the original Cisco Unified Presence installation of less than 80 GB (for example, MCS-7825-H2).

Version 8.6(4+)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.

Version 8.6(3)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.

Version 8.6(2)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.

Version 8.6(1)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.

Version 8.5(x)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.

Version 8.0(2+)

* If you have more than 20,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users in IM and Presence. * The recommendations below only apply to single cluster deployments. For intercluster deployments, Cisco recommends that you use the 5000 user OVA template at a minimum.